![](http://www.alamy.com/thumbs/6/65F28934-F592-4482-B6B5-B552ADB64234/2C3TEAY.jpg)
Close-up gloved hands holding litmus indicator
Close-up gloved hands holding litmus indicator. Indicator for determining reaction medium soil. Control process and quality finished product. Adjust performance process in accordance
Size: 6720px × 2240px
Photo credit: © Hanna Kuprevich / Alamy / Afripics
License: Royalty Free
Model Released: No
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